Alternate Interferents B Back Catalog number: 53027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677593 Di-n-butylamine, 1000mg Price on request M326035 6a-Methyl Prednisone 21-Acetate, 5mg Price on request N-11881-1G Ethyl acetate, 1g Price on request